Sealing blade for working machine



FIG. 1 is a perspective view of a sealing blade for working machine, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is an enlarged left side view thereof.

The broken lines in the drawings depict unclaimed environmental subject matter.

The dashed-dotted line showings of FIGS. 1, 7, and 8 illustrate boundaries between the claimed design and environmental features. 

CLAIM The ornamental design for a sealing blade for working machine, as shown and described. 